diff options
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/ppc/spapr.h | 31 | ||||
| -rw-r--r-- | include/hw/ppc/vof.h | 58 |
2 files changed, 85 insertions, 4 deletions
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index f05219f75e..637652ad16 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -12,6 +12,7 @@ #include "hw/ppc/spapr_xive.h" /* For SpaprXive */ #include "hw/ppc/xics.h" /* For ICSState */ #include "hw/ppc/spapr_tpm_proxy.h" +#include "hw/ppc/vof.h" struct SpaprVioBus; struct SpaprPhbState; @@ -74,8 +75,10 @@ typedef enum { #define SPAPR_CAP_CCF_ASSIST 0x09 /* Implements PAPR FWNMI option */ #define SPAPR_CAP_FWNMI 0x0A +/* Support H_RPT_INVALIDATE */ +#define SPAPR_CAP_RPT_INVALIDATE 0x0B /* Num Caps */ -#define SPAPR_CAP_NUM (SPAPR_CAP_FWNMI + 1) +#define SPAPR_CAP_NUM (SPAPR_CAP_RPT_INVALIDATE + 1) /* * Capability Values @@ -180,6 +183,7 @@ struct SpaprMachineState { uint64_t kernel_addr; uint32_t initrd_base; long initrd_size; + Vof *vof; uint64_t rtc_offset; /* Now used only during incoming migration */ struct PPCTimebase tb; bool has_graphics; @@ -398,10 +402,13 @@ struct SpaprMachineState { #define H_CPU_CHAR_THR_RECONF_TRIG PPC_BIT(6) #define H_CPU_CHAR_CACHE_COUNT_DIS PPC_BIT(7) #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST PPC_BIT(9) + #define H_CPU_BEHAV_FAVOUR_SECURITY PPC_BIT(0) #define H_CPU_BEHAV_L1D_FLUSH_PR PPC_BIT(1) #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR PPC_BIT(2) #define H_CPU_BEHAV_FLUSH_COUNT_CACHE PPC_BIT(5) +#define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY PPC_BIT(7) +#define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS PPC_BIT(8) /* Each control block has to be on a 4K boundary */ #define H_CB_ALIGNMENT 4096 @@ -542,8 +549,9 @@ struct SpaprMachineState { #define H_SCM_UNBIND_MEM 0x3F0 #define H_SCM_UNBIND_ALL 0x3FC #define H_SCM_HEALTH 0x400 +#define H_RPT_INVALIDATE 0x448 -#define MAX_HCALL_OPCODE H_SCM_HEALTH +#define MAX_HCALL_OPCODE H_RPT_INVALIDATE /* The hcalls above are standardized in PAPR and implemented by pHyp * as well. @@ -558,7 +566,9 @@ struct SpaprMachineState { /* Client Architecture support */ #define KVMPPC_H_CAS (KVMPPC_HCALL_BASE + 0x2) #define KVMPPC_H_UPDATE_DT (KVMPPC_HCALL_BASE + 0x3) -#define KVMPPC_HCALL_MAX KVMPPC_H_UPDATE_DT +/* 0x4 was used for KVMPPC_H_UPDATE_PHANDLE in SLOF */ +#define KVMPPC_H_VOF_CLIENT (KVMPPC_HCALL_BASE + 0x5) +#define KVMPPC_HCALL_MAX KVMPPC_H_VOF_CLIENT /* * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating @@ -770,7 +780,7 @@ void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr); #define SPAPR_IS_PCI_LIOBN(liobn) (!!((liobn) & 0x80000000)) #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff) -#define RTAS_SIZE 2048 +#define RTAS_MIN_SIZE 20 /* hv_rtas_size in SLOF */ #define RTAS_ERROR_LOG_MAX 2048 /* Offset from rtas-base where error log is placed */ @@ -932,6 +942,7 @@ extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv; extern const VMStateDescription vmstate_spapr_cap_large_decr; extern const VMStateDescription vmstate_spapr_cap_ccf_assist; extern const VMStateDescription vmstate_spapr_cap_fwnmi; +extern const VMStateDescription vmstate_spapr_cap_rpt_invalidate; static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap) { @@ -956,4 +967,16 @@ bool spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize, void spapr_set_all_lpcrs(target_ulong value, target_ulong mask); hwaddr spapr_get_rtas_addr(void); bool spapr_memory_hot_unplug_supported(SpaprMachineState *spapr); + +void spapr_vof_reset(SpaprMachineState *spapr, void *fdt, Error **errp); +void spapr_vof_quiesce(MachineState *ms); +bool spapr_vof_setprop(MachineState *ms, const char *path, const char *propname, + void *val, int vallen); +target_ulong spapr_h_vof_client(PowerPCCPU *cpu, SpaprMachineState *spapr, + target_ulong opcode, target_ulong *args); +target_ulong spapr_vof_client_architecture_support(MachineState *ms, + CPUState *cs, + target_ulong ovec_addr); +void spapr_vof_client_dt_finalize(SpaprMachineState *spapr, void *fdt); + #endif /* HW_SPAPR_H */ diff --git a/include/hw/ppc/vof.h b/include/hw/ppc/vof.h new file mode 100644 index 0000000000..640be46163 --- /dev/null +++ b/include/hw/ppc/vof.h @@ -0,0 +1,58 @@ +/* + * Virtual Open Firmware + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#ifndef HW_VOF_H +#define HW_VOF_H + +typedef struct Vof { + uint64_t top_addr; /* copied from rma_size */ + GArray *claimed; /* array of SpaprOfClaimed */ + uint64_t claimed_base; + GHashTable *of_instances; /* ihandle -> SpaprOfInstance */ + uint32_t of_instance_last; + char *bootargs; + long fw_size; +} Vof; + +int vof_client_call(MachineState *ms, Vof *vof, void *fdt, + target_ulong args_real); +uint64_t vof_claim(Vof *vof, uint64_t virt, uint64_t size, uint64_t align); +void vof_init(Vof *vof, uint64_t top_addr, Error **errp); +void vof_cleanup(Vof *vof); +void vof_build_dt(void *fdt, Vof *vof); +uint32_t vof_client_open_store(void *fdt, Vof *vof, const char *nodename, + const char *prop, const char *path); + +#define TYPE_VOF_MACHINE_IF "vof-machine-if" + +typedef struct VofMachineIfClass VofMachineIfClass; +DECLARE_CLASS_CHECKERS(VofMachineIfClass, VOF_MACHINE, TYPE_VOF_MACHINE_IF) + +struct VofMachineIfClass { + InterfaceClass parent; + target_ulong (*client_architecture_support)(MachineState *ms, CPUState *cs, + target_ulong vec); + void (*quiesce)(MachineState *ms); + bool (*setprop)(MachineState *ms, const char *path, const char *propname, + void *val, int vallen); +}; + +/* + * Initial stack size is from + * https://www.devicetree.org/open-firmware/bindings/ppc/release/ppc-2_1.html#REF27292 + * + * "Client programs shall be invoked with a valid stack pointer (r1) with + * at least 32K bytes of memory available for stack growth". + */ +#define VOF_STACK_SIZE 0x8000 + +#define VOF_MEM_READ(pa, buf, size) \ + address_space_read(&address_space_memory, \ + (pa), MEMTXATTRS_UNSPECIFIED, (buf), (size)) +#define VOF_MEM_WRITE(pa, buf, size) \ + address_space_write(&address_space_memory, \ + (pa), MEMTXATTRS_UNSPECIFIED, (buf), (size)) + +#endif /* HW_VOF_H */ |